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    <p>Here is a snipped that detectes non-network related errors from an xhr-get request and outputs some information about it in the console.</p> <p>There is an extra isEvalError() function that goes through all eval-error types... which I am not really proud of. A nicer way could be by getting the parent object of the errorMessage sub-classes. I think you can ditch isEvalError() generally, because there shouldn´t be any other error possible in this block.</p> <pre><code>function isEvalError(errorMessage){ return errorMessage.name == "RangeError" || errorMessage.name == "ReferenceError" || errorMessage.name == "SyntaxError" || errorMessage.name == "URIError" || errorMessage.name == "TypeError"; } var foo = dojo.xhrGet({ url: 'stacko.js', handleAs: "javascript", load: function(returnValue) { console.log("load: "+returnValue); }, error: function(errorMessage,ioargs) { //request worked fine, this must be a non-network related error if(ioargs.xhr.readyState == 4 &amp;&amp; ioargs.xhr.status == 200) { if(isEvalError(errorMessage)){ //show eval-error, url request &amp; the JS code that causes the exception //eval-error types: RangeError,ReferenceError,SyntaxError, URIError, TypeError console.error(errorMessage.name+" in JS Code detected: (url: "+ioargs.url+")") console.error("Error Message: "+ errorMessage); console.error(ioargs.xhr.responseText); } //a little reflection - if u want to know who triggered this error //(although in this case the output is not very helpful ) console.error("Error triggered by: "+arguments.callee.caller.toString()); //last but not least log the error &amp; the xhr-request object for more information console.error("XHR Object:"); console.error(ioargs); console.error("Error Object:"); console.error(errorMessage); } } }); </code></pre>
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    1. POHow to properly generate exceptions in PHP/Dojo when returning javascript code
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    1. COOK So I coded it and lets see how it goes...Surprisingly `0/0;` does not generate an exception. `0/apple;` does however. And the output is surprisingly informative! Thanks. I'll give you the bounty. But there is still one thing missing. It doesn't list the number where the error occurs. I will elaborate in the original question
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    2. COThank you! Perhaps this helps to get the linenumber: http://stackoverflow.com/questions/3488994/javascript-eval-exception-line-number I will try it this weekend
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